1 definition by Ironman23

Another name for a dirtbike, snowmobile, quad, or any toy with a small displacement engine. Also can be used with any number of a's to describe the sound of one of these toys in uses...
Expl.1) Hey bro, go grab your brap brap and let's go to the gravel pit and ride!!!!!

Expl.2) He came around that corner before the triple and he was like "brap brap braaaaaaaaaaaap!"
by Ironman23 April 13, 2007
Get the brap brap mug.